For each creature, its controller sacrifices a permanent unless they pay {1}.

Defender (This creature can't attack.) When Floodgate has flying, sacrifice it. When Floodgate leaves the battlefield, it deals damage equal to half the number of Islands you control, rounded down, to each nonblue creature without flying.

Draw two cards. Then discard a card unless you attacked this turn.

Enchant creature Enchanted creature has "Whenever this creature deals combat damage to a player, draw a card." As long as enchanted creature is legendary, it gets +1/+1 and has ward {1}. (Whenever enchanted creature becomes the target of a spell or ability an opponent controls, counter it unless that player pays {1}.)

Enchant creature When Flight of Fancy enters the battlefield, draw two cards. Enchanted creature has flying.

Each player discards any number of cards, then draws that many cards. Draw a card.

Draw two cards, then discard two cards. Untap up to three lands.

{T}, Discard a card: Up to one target creature can't be blocked this turn. Whenever Key to the City becomes untapped, you may pay {2}. If you do, draw a card.

Whenever you or a permanent you control becomes the target of a spell or ability an opponent controls, you may draw a card. You may draw an additional card if Rayne, Academy Chancellor is enchanted.

Whenever River Kelpie or another permanent enters the battlefield from a graveyard, draw a card. Whenever a player casts a spell from a graveyard, draw a card. Persist (When this creature dies, if it had no -1/-1 counters on it, return it to the battlefield under its owner's control with a -1/-1 counter on it.)

Enchant creature When Rousing Read enters the battlefield, draw two cards, then discard a card. Enchanted creature gets +1/+1 and has flying.

Flying Whenever Stormchaser Drake becomes the target of a spell you control, draw a card.

Draw three cards. Then discard two cards unless you discard an enchantment card.

Enchant creature As Traveler's Cloak enters the battlefield, choose a land type. When Traveler's Cloak enters the battlefield, draw a card. Enchanted creature has landwalk of the chosen type. (It can't be blocked as long as defending player controls a land of that type.)

Castle Vantress enters the battlefield tapped unless you control an Island. {T}: Add {U}. {2}{U}{U}, {T}: Scry 2.

({T}: Add {U}.)

Lonely Sandbar enters the battlefield tapped. {T}: Add {U}. Cycling {U} ({U}, Discard this card: Draw a card.)

Myriad Landscape enters the battlefield tapped. {T}: Add {C}. {2}, {T}, Sacrifice Myriad Landscape: Search your library for up to two basic land cards that share a land type, put them onto the battlefield tapped, then shuffle.

({T}: Add {U}.) Mystic Sanctuary enters the battlefield tapped unless you control three or more other Islands. When Mystic Sanctuary enters the battlefield untapped, you may put target instant or sorcery card from your graveyard on top of your library.

{T}: Add {C}. {1}{U}, {T}: Return target Wizard you control to its owner's hand.

{T}: Add {C}. {4}, {T}: Target creature can't be blocked this turn.

{T}: Add {C}. {2}, {T}, Sacrifice a Desert: Exile all graveyards.

Flash Enchant creature Enchanted creature has shroud. (It can't be the target of spells or abilities.)

Flash (You may cast this spell any time you could cast an instant.) Enchant creature Enchanted creature gets +1/+1. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Enchant creature When enchanted creature dies, return that card to the battlefield under your control.

Enchant creature When enchanted creature dies, return that card to the battlefield under your control. When Fool's Demise is put into a graveyard from the battlefield, return Fool's Demise to its owner's hand.

Enchant creature Enchanted creature has base power and toughness 8/8 and has "Whenever this creature attacks, you may tap target creature with power 8 or less." Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

{1}, {T}: Return target creature you control and each Aura attached to it to their owners' hands. Activate only during your turn.

{T}: Add one mana of any color in your commander's color identity.

{3}, Sacrifice Burnished Hart: Search your library for up to two basic land cards, put them onto the battlefield tapped, then shuffle.

As Caged Sun enters the battlefield, choose a color. Creatures you control of the chosen color get +1/+1. Whenever a land's ability causes you to add one or more mana of the chosen color, add one additional mana of that color.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{2}{U}, {T}, Discard a card, Sacrifice a land: Search your library for up to two basic land cards, put them onto the battlefield, then shuffle.

As Gauntlet of Power enters the battlefield, choose a color. Creatures of the chosen color get +1/+1. Whenever a basic land is tapped for mana of the chosen color, its controller adds an additional one mana of that color.

Until end of turn, whenever a player taps an Island for mana, that player adds an additional {U}.

{T}, Mill a card: Add {C}. (To mill a card, put the top card of your library into your graveyard.)

{T}: Add {C}. {1}, {T}, Sacrifice Mind Stone: Draw a card.

Nyx Lotus enters the battlefield tapped. {T}: Choose a color. Add an amount of mana of that color equal to your devotion to that color. (Your devotion to a color is the number of mana symbols of that color in the mana costs of permanents you control.)

{T}: Add {U}.

{T}: Add {C}{C}.

Enchant creature When Abduction enters the battlefield, untap enchanted creature. You control enchanted creature. When enchanted creature dies, return that card to the battlefield under its owner's control.

Gain control of target Aura that's attached to a permanent. Attach it to another permanent it can enchant.

Return target creature to its owner's hand. Gain control of all Auras and Equipment that were attached to it, then attach them to another creature.

Enchant creature, land, or planeswalker Enchanted permanent is a colorless land with "{T}: Add {C}" and loses all other card types and abilities.

Enchant permanent You control enchanted permanent. Cycling {2} ({2}, Discard this card: Draw a card.)

Enchant creature You control enchanted creature.

Counter target noncreature spell.

{T}: Gain control of target creature for as long as that creature is enchanted.

When Academy Researchers enters the battlefield, you may put an Aura card from your hand onto the battlefield attached to Academy Researchers.

Enchant creature Enchanted creature can't be blocked. Whenever enchanted creature attacks, scry 1. (Look at the top card of your library. You may put that card on the bottom of your library.)

Enchant creature Enchanted creature has flying. Aura swap {2}{U} ({2}{U}: Exchange this Aura with an Aura card in your hand.)

Attach target Aura you control to target creature. Draw a card.

Enchant creature Enchanted creature gets +2/+2 for each Aura attached to it and has vigilance.

Callaphe's power is equal to your devotion to blue. (Each {U} in the mana costs of permanents you control counts toward your devotion to blue.) Creatures and enchantments you control have "Spells your opponents cast that target this permanent cost {1} more to cast."

{4}, {T}: Attach target Aura attached to a creature to another creature.

Enchant creature Enchanted creature gets +10/+10 and has trample and annihilator 2. (Whenever it attacks, defending player sacrifices two permanents.)

Attach target Aura attached to a creature or land to another permanent of that type.

Equipped creature gets +1/+1 for each enchantment you control. Equip {1} ({1}: Attach to target creature you control. Equip only as a sorcery.)

Flying When Iridescent Drake enters the battlefield, put target Aura card from a graveyard onto the battlefield under your control attached to Iridescent Drake.

Shadow (This creature can block or be blocked by only creatures with shadow.) Whenever Looter il-Kor deals damage to an opponent, draw a card, then discard a card.

You may have Mirrormade enter the battlefield as a copy of any artifact or enchantment on the battlefield.

Creatures can't attack you unless their controller pays {2} for each creature they control that's attacking you.

Constellation — Whenever an enchantment enters the battlefield under your control, you may have Protean Thaumaturge become a copy of another target creature, except it has this ability.

You may cast Aura spells with enchant creature as though they had flash.

Enchant creature {2}{U}: Untap enchanted creature. Totem armor (If enchanted creature would be destroyed, instead remove all damage from it and destroy this Aura.)

Avoidance — Whenever you cast a noncreature spell, exile up to one target nonland permanent you control, then return that card to the battlefield under its owner's control.

{T}: Draw a card, then discard a card.

Enchant creature As Metamorphic Alteration enters the battlefield, choose a creature. Enchanted creature is a copy of the chosen creature.

Flash (You may cast this spell any time you could cast an instant.) When Mizzium Meddler enters the battlefield, you may change a target of target spell or ability to Mizzium Meddler.

Exile target creature. Its controller manifests the top card of their library. (That player puts the top card of their library onto the battlefield face down as a 2/2 creature. If it's a creature card, it can be turned face up any time for its mana cost.)